*{
    margin:0px;
    padding: 0px;
}
.clearfix:after{
    content: "";
    clear: both;
    display: table;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
a{
    text-decoration: none;
    color: black;
}
li{
    list-style: none;
}
 .img_{
    position: relative;
}
.all .img img{
    width: 100%;
}
.top_{
    max-width: 1280px;
}
.top .top_right{
    position: absolute;
    top: 0rem;
    right: 0rem;
}
.top_right a:nth-of-type(5){
    text-decoration: underline;
}
.top_right a{
    font-size:16px;
    text-decoration: none;
    margin-top: 3rem;
    margin-right: 3rem;
    color:red;
}
.top_right a:hover{
    text-decoration: underline;
}
.top_right a:nth-of-type(1){
    margin-right: 14rem;
}
.top .help{
    font-size: 40px;
    font-weight: 600;
    color: red;
    position: absolute;
    top:10rem;
    left: 28rem;
    padding:2rem;
}
.top .help_1{
    font-size: 20px;
    color: red;
    position: absolute;
    top:16rem;
    left: 14rem;
    padding:2rem;
}
.header{
    padding-top: 4rem;
    padding-bottom: 4rem;
    background: #e9ebec;
    margin-top: -.5rem;
    width: 100%;
    text-align: center;
}
.nav{
    text-align: center;
    margin: 0 auto;
    width: 70%;
    max-width: 1280px;
    background:white;
}
.nav_{
    text-align: center;
}
.nav_1,.nav_2{
    border-right: 1px solid #ebebeb;
}
.nav_ img{
    margin-top: 1rem;
}
.nav_1,.nav_2,.nav_3{
    text-align: center;
    width: 33%;
}
.nav_1 div:nth-of-type(1),.nav_2 div:nth-of-type(1),.nav_3 div:nth-of-type(1){
    margin-top: 1rem;
    font-size: 20px;
    font-weight:500;
    color: #767676;
}
.nav_1 div:nth-of-type(2),.nav_2 div:nth-of-type(2),.nav_3 div:nth-of-type(2){
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-size: 13px;
    color: #a9a9a9;
}
.nav_1 div:nth-of-type(3),.nav_2 div:nth-of-type(3),.nav_3 div:nth-of-type(3){
    margin-bottom: 1rem;
    font-size: 12px;
}
.nav a{
    color: #ccc;
}
.list{
    width:70%;
    margin: 0 auto;
}
.list .list_1,.list .list_2,.list .list_3,.list .list_4,.list .list_5,.list .list_6,.list .list_7,.list .list_8,.list .list_9{
    width:33%;
}
.list .list_1 div:nth-of-type(1),.list .list_2 div:nth-of-type(1),.list .list_3 div:nth-of-type(1),.list .list_4 div:nth-of-type(1),.list .list_5 div:nth-of-type(1),.list .list_6 div:nth-of-type(1),.list .list_7 div:nth-of-type(1),.list .list_8 div:nth-of-type(1),.list .list_9 div:nth-of-type(1){
    margin-top: 2rem;
    font-size: 14px;
    color: #1b1b1b;
}
.list .list_1 div span:nth-of-type(1),.list .list_2 div span:nth-of-type(1),.list .list_3 div span:nth-of-type(1),.list .list_4 div span:nth-of-type(1),.list .list_5 div span:nth-of-type(1),.list .list_6 div span:nth-of-type(1),.list .list_7 div span:nth-of-type(1),.list .list_8 div span:nth-of-type(1),.list .list_9 div span:nth-of-type(1){
    color: #ccc;
}
.list_1 ul li a,.list_2 ul li a,.list_3 ul li a,.list_4 ul li a,.list_5 ul li a,.list_6 ul li a,.list_7 ul li a,.list_8 ul li a,.list_9 ul li a{
    font-size: 12px;
    color: #686868;
}
.list ul li{
    margin-top:.5rem;
    text-indent:1rem;
}
.list_8{
    margin-bottom:8rem;
}
.introduce{
    background:#e9ebec;
    width: 100%;
    padding-top: 2rem;
    padding-bottom: 2rem;
    text-align: center;
}
.introduce_{
    width: 70%;
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
}
.introduce .introduce_ div{
    text-align: center;
}
.yewei{
    background: #384047;
    width: 100%;
}
.ye_{
    width: 60%;
    margin: 0 auto;
    color: rgba(201, 201, 201, 0.98);
}
.wei_1{
    width: 33%;
}
.wei_1 h3{
    font-size: 14px;
    color: white;
    margin-top: 1.5rem;
    margin-bottom:1.5rem;
    font-weight: 300;
    padding-bottom:.5rem;
    border-bottom: 1px solid #7a7a7a;
    width: 18rem;
}
.wei_1 li{
    font-size: 12px;
    margin-top: .5rem;
    margin-bottom: .5rem;
    padding-bottom:.5rem;
    border-bottom: 1px solid #484848;
    width: 18rem;
}

.wei_2{
    width: 33%;
}
.wei_2 h3{
    font-size: 14px;
    color: white;
    margin-top: 1.5rem;
    margin-bottom:1.5rem;
    font-weight: 300;
    padding-bottom:.5rem;
    border-bottom: 1px solid #7a7a7a;
    width: 18rem;
}
.wei_2 li{
    font-size: 12px;
    margin-top: .5rem;
    margin-bottom: .5rem;
    border-bottom: 1px solid #484848;
    width: 18rem;
    padding-bottom:.5rem;
}

.wei_3{
    box-sizing: border-box;
    width: 33%;
    padding-right: .5rem;
}
.wei_3 h3{
    font-size: 14px;
    color: white;
    margin-top: 1.5rem;
    margin-bottom:1.5rem;
    font-weight: 300;
    padding-bottom:.5rem;
    border-bottom: 1px solid #7a7a7a;
    width: 18rem;
}
.wei_3 li{
    font-size: 12px;
    margin-top: .5rem;
    margin-bottom: .5rem;
    border-bottom: 1px solid #484848;
    padding-bottom:.5rem;
}
.copyright{
    text-align: center;
    font-size: 12px;
    color: #d5d5d5;
    margin-top: 2rem;
    padding-bottom: 2rem;
}